STONE MARK J 4
4 · NORTHERN TECHNOLOGIES INTERNATIONAL CORP · Filed Mar 1, 2012
Insider Transaction Report
Form 4
STONE MARK J
Director
Transactions
- Sale
Common Stock
2012-02-27$15.70/sh−100$1,570→ 9,900 total - Sale
Common Stock
2012-02-28$15.20/sh−6,700$101,840→ 3,200 total